websockets implemented

backend/utils/encryption.js

@@ -1,22 +1,28 @@
 import crypto from 'crypto';
 
-const algorithm = 'aes-256-ecb'; 
+const algorithm = 'aes-256-ecb';
+
 const key = crypto.scryptSync(process.env.SECRET_KEY, 'salt', 32);
 
 export const generateIv = () => {
-    return crypto.randomBytes(16);
+    return crypto.randomBytes(16).toString('base64');
 };
 
 export const encrypt = (text) => {
-    const cipher = crypto.createCipheriv(algorithm, key, null); 
-    let encrypted = cipher.update(text, 'utf8', 'hex');
+    const cipher = crypto.createCipheriv(algorithm, key, null);
+    let encrypted = cipher.update(text, 'utf8', 'hex'); 
     encrypted += cipher.final('hex');
     return encrypted;
 };
 
 export const decrypt = (text) => {
-    const decipher = crypto.createDecipheriv(algorithm, key, null);
-    let decrypted = decipher.update(text, 'hex', 'utf8');
-    decrypted += decipher.final('utf8');
-    return decrypted;
+    try {
+        const decipher = crypto.createDecipheriv(algorithm, key, null);
+        let decrypted = decipher.update(text, 'hex', 'utf8'); 
+        decrypted += decipher.final('utf8');
+        return decrypted;
+    } catch (error) {
+        console.log(error);
+        return null;    
+    }
 };